past perfect tense

listened

had listened

was listening

listens

seen

saw

seeing

sees

had sat

was sitting

sits

sat

had left

have left

left

was leaving

had seen

has seen

saw

was seeing

The past perfect indicates an action completed before another past action, while the simple past describes an action that happened at a specific time in the past.

The past perfect is used for actions that are ongoing, while the simple past is for completed actions.

The past perfect is used only in questions, while the simple past is used in statements.

The past perfect describes future actions, while the simple past describes past actions.

had thought

had believed

had expected

had imagined

I had finished my homework before dinner.

I finish my homework before dinner.

I will finish my homework before dinner.

I was finishing my homework before dinner.

left

leaved

leaved

leaving

To show that one action happened before another action in the past.

To describe actions happening at the same time in the past.

To indicate future actions that will happen before another future action.

To express habitual actions in the past.